我在使用ionic 3 / Angular 4的应用程序中工作,我遇到登录功能问题。 我想从这里改变json格式:
> this.data = {
> grant_type: "password",
> username: this.loginData.username,
> password: this.loginData.password,
> client_id: "client"
> };
这样的事情
grant_type =密码&安培; CLIENT_ID =客户机安培; client_secret =秘密&安培;用户名=管理员&安培;密码= 123456
所以我可以用它来进行令牌认证:
我在离子1 / angularJS中使用过它
数据:$ httpParamSerializer($ scope.data);
但我不知道角度为4的等效物。
提前致谢:)
答案 0 :(得分:1)
您必须使用URLSearchParams
基本示例
let params = new URLSearchParams();
params.set('search', term); // the user's search value
您的服务
import { Headers, RequestOptions, Http, Response, URLSearchParams } from '@angular/http';
// User is done editing, serialize and POST to web service
tokenAuthenticate(): void {
let headers = new Headers({ 'Content-Type': 'application/x-www-form-urlencoded' });
let options = new RequestOptions({ headers: headers });
// Dynamically serialize the entire object
// *** THIS IS THE SERIALIZATION ***
let params: URLSearchParams = this.serialize(this.selectedItem);
this._http.post('http://localhost:8080/api/oauth/token', params, options)
.map(this.extractData)
.catch(this.handleError);
}
/**
* Serializes the form element so it can be passed to the back end through the url.
* The objects properties are the keys and the objects values are the values.
* ex: { "a":1, "b":2, "c":3 } would look like ?a=1&b=2&c=3
* @param obj - Object to be url encoded
* @returns URLSearchParams - The url encoded system setup
*/
serialize(obj: any): URLSearchParams {
let params: URLSearchParams = new URLSearchParams();
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
var element = obj[key];
params.set(key, element);
}
}
return params;
}